Divide the complex numbers below and leave the result in trigonometric form.
A. 
B. 
C. 
D. 
E. 
Answer: A
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The following problem involves adjustable-rate mortgage. You the given table if necessary.
Harry has a 1-year ARM for $75,000 over a 25-year term. The margin is 2%, and the index rate starts out at 2.5% and increases to 3.5% at the first adjustment. The balance of principal at the end of the first year is $73,338.52. Find the amount of monthly payment for the first month of the second year.
A. $365.45 B. $403.42 C. $459.16 D. None of the above is correct.
Solve the system of equations using the addition method.
A. (2, 5) B. (-2, 4) C. All ordered pairs along x + 9y = 47 D. No solution
Solve the quadratic equation and express all nonreal complex solutions in terms of i.4x2 + 9 = 5x
A. 
B. 
C. 
D. 
Solve the problem.Martin saves $2 on the first day of a 10-day period, $4 on the second day, and so on. For the next 10 days, he increases the amount saved by $4 each day (instead of $2 each day). How much will he have saved after 20 days?
A. $560 B. $520 C. $530 D. $540